000 00495nam a2200181Ia 4500
005 20250619145252.0
008 250619s9999||||xx |||||||||||||| ||und||
020 _a8122410979
_c95
040 _aMAIN
041 _aEnglish
082 _a628
_bELA
100 _aElangovan, R. and Saseetharan, M. K.
245 0 _aUnit operations in environmental engineering
260 _aCalcutta
_b; New Age International
_c, 1997
300 _a178p.
650 _aEnvironmental Engineering
942 _cBK
999 _c125948
_d125948